APA (7th ed.) Citation

Cook, P., & Wolf, H. (1976). Hugo Wolf's Corregidor: A study of the opera and its origins. The author.

Chicago Style (17th ed.) Citation

Cook, Peter, and Hugo Wolf. Hugo Wolf's Corregidor: A Study of the Opera and Its Origins. [London]: The author, 1976.

MLA (9th ed.) Citation

Cook, Peter, and Hugo Wolf. Hugo Wolf's Corregidor: A Study of the Opera and Its Origins. The author, 1976.

Warning: These citations may not always be 100% accurate.